from The American Heritage® Dictionary of the English Language, 4th Edition
- n. A groove around the cylinder of a bullet.
from Wiktionary, Creative Commons Attribution/Share-Alike License
- n. Ringlike groove.
from the GNU version of the Collaborative International Dictionary of English
- n. A groove in any cylinder; specif., a groove around the cylinder of an elongated bullet for small arms to contain a lubricant, or around the rotating band of a gun projectile to lessen the resistance offered to the rifling. Also, a groove around the base of a cartridge, where the extractor takes hold.
from The Century Dictionary and Cyclopedia
- n. A groove or channel on a decorative surface, as the channeling on Doric columns.
- n. A rectangular groove cut around the cylindrical part of a bullet to contain the lubricant, which consists generally of bayberry tallow or Japan wax.
- To form a groove or channel on: as, a cannelured bullet.
French, alteration of cannelature, from Old Italian cannellatura, from cannello, small tube; see cannelloni.(American Heritage® Dictionary of the English Language, Fourth Edition)
French cannelure (Wiktionary)